OpenTechnical

OT-2026-000053073

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, vented before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000053073) never changes.

Identity and time

Publication numberOT-2026-000053073 · never reused
Internal UUID01a0ae84-a431-7de3-945e-1b66ed0cda2b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053073
StatusPUBLIC

Content hashes

Canonical text7cbc499a293a26c08e8a17f5618f6ec33d0e0bff7dd0d892ff0494a5ee59db17
Markdown3e8d598026da39c14de3f50e3d265a642d037a1b1ce5d4edb77686a4e63de0bc
PDF
Publication page2a9ee5166333a41282a014cfc9fe1a888b8d673f8bf89ceab20b89fde42659dc
Manifest2726748aabfd1f80df347acbed65cd1e8310555bb8b2b86f5493e97a62407c62

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureBBhsNYk2Q+xcqu1rGg0xEvQ0BO7TjI080ZlbQulEedfF7C6EDpTjtJu49v0Qau8M4pM4tEfDfbvi5MJfVRKsBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:56:47.411284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053073
observed 2a9ee5166333a41282a014cfc9fe1a88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:47.394532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053073/manifest.json
observed 2726748aabfd1f80df347acbed65cd1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:47.375486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053073/publication.md
observed 3e8d598026da39c14de3f50e3d265a64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:47.357499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053073/publication.txt
observed 7cbc499a293a26c08e8a17f5618f6ec3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.